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Issue 2, 2013
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Unique core–shell structured SiO2(Li+) nanoparticles for high-performance composite polymer electrolytes

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Abstract

Core–shell structured SiO2 nanoparticles with controlled morphology were synthesized and used as functional fillers in Li+-conducting composite polymer electrolytes for lithium-ion polymer batteries. The composite polymer electrolytes prepared with poly(vinylidene fluoride-co-hexafluoropropylene) and core–shell SiO2(Li+) nanoparticles exhibited high ionic conductivity, good mechanical strength and favorable interfacial characteristics. Tests run on carbon/LiNi1/3Co1/3Mn1/3O2 cells with composite polymer electrolyte containing optimized SiO2(Li+) nanoparticles yielded excellent results in terms of capacity retention (95% after 100 cycles) and rate capability (167 mA h g−1 at 5 C rate).

Graphical abstract: Unique core–shell structured SiO2(Li+) nanoparticles for high-performance composite polymer electrolytes

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Article information


Submitted
28 Aug 2012
Accepted
07 Oct 2012
First published
26 Oct 2012

J. Mater. Chem. A, 2013,1, 395-401
Article type
Paper

Unique core–shell structured SiO2(Li+) nanoparticles for high-performance composite polymer electrolytes

S. H. Ju, Y. Lee, Y. Sun and D. Kim, J. Mater. Chem. A, 2013, 1, 395
DOI: 10.1039/C2TA00556E

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